occupied by destructive or noxious chemical prepara- to shells intended to be fired through metal plates, Take asphaltum 10 ibs. and gum anime 4 ibs. and 23 tions. Gun cotton or compressed powder may be used with advantage for the bursting charge ; or ex- gallons of linseed oil, and boil these in… … facility a 5-inch wrought-iron armor plate supported oil is employed to make the varnish tough and water- by a heavy backing of timber and iron skin. It will proof. Asphaltum alone with‘ drying oil may be suchas may be used as armor for ships, forts, or other be remarked that the shells shown are…
Internet Archive · Public domain (published before 1931). Free to use for anything.
